MCP.Market

Vrm Toolkit MCP server

by dwarehouse1·io.github.dwarehouse1/vrm-toolkit-mcp·v0.1.1
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Inspect, validate and preview VRM / VRMA files from an AI agent (5 tools, local stdio server).

A85/100grade A
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Safety scan
A85/100

full report

Adoption
New

0 stars38 downloads/wk

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If you have run it, two minutes of your experience saves the next person an afternoon.

Vrm Toolkit tools (5)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • vrm_inspect

    Inspect a local VRM file (0.x or 1.0): meta including license/permission fields, humanoid bone map, expressions/blendshapes, polygon and texture statistics. Structured JSON output; no rendering.

  • vrm_snapshot

    Render a still PNG of a VRM in its rest pose through a local headless Chrome/Edge, with optional expression weights (e.g. {"happy": 1}) and view presets including a face close-up.

  • vrm_validate

    Validate a local VRM file and return a finding list: missing required humanoid bones, broken node references, missing meta/license fields, unrecognized required extensions, and configurable size/triangle/texture/material budget checks.

  • vrma_inspect

    Inspect a local VRMA (VRM animation) file: spec version, targeted humanoid bones, expression tracks, channel counts, duration, and an estimated frame rate. Structured JSON output; no rendering.

  • vrma_preview

    Render a VRMA animation applied to a VRM through a local headless Chrome/Edge. mode=image writes a PNG at time_sec; mode=video records a short WebM clip (max 10 seconds).

Public scan report

scanner v0.1.9 · 2026-09-24 · same rubric, same numbers if you re-run it

no findings
  • Code scan11 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitylocal package, no credentials required12/15
  • Maintenancelast push 50 days ago12/15
  • Maintainer identityregistry namespace matches repository owner6/10
Overall 85/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Vrm Toolkit compares

Against every graded AI and agents MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
85/100
higher than 73% of 4,460 AI and agents servers
Tools
5
the typical AI and agents server has 6
Tools that change things
0%
typical: 0%. Fewer write tools means less an agent can break
Downloads a week
38
more than 30% of 1,538 AI and agents servers with a package

What its tools let an agent do: 5 read

Install Vrm Toolkit in Claude Code, Cursor or VS Code

Runs npx -y vrm-toolkit-mcp on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add vrm-toolkit-mcp -- npx -y vrm-toolkit-mcp
Add to Cursor

What the publisher says

From the Vrm Toolkit repository's README, as published. We do not edit it. Read it on GitHub

vrm-toolkit-mcp

v0.1.1 — npm / GitHub

An MCP (Model Context Protocol) server that lets an AI agent inspect, validate and preview VRM / VRMA files on your machine. Five tools, stdio transport, no network access at runtime.

VRM / VRMAファイルの検品・情報抽出・プレビューをAIエージェントから使えるようにする MCPサーバーです。ツールは5本、stdioトランスポート、実行時のネットワークアクセスなし。

Tools / ツール

Structural tools (vrminspect, vrmvalidate, vrmainspect) parse the GLB/glTF container directly in Node and need no browser. Rendering tools (vrmapreview, vrm_snapshot) use an already-installed Chromium-based browser via puppeteer-core; nothing is downloaded.

構造系3ツールはNode単体でGLB/glTFを直接パースし、ブラウザ不要。描画系2ツールは インストール済みのChromium系ブラウザをpuppeteer-coreで使います(追加ダウンロードなし)。

Supported inputs: VRM 0.x (extensions.VRM), VRM 1.0 (extensions.VRMCvrm), VRMA (extensions.VRMCvrm_animation), GLB container or plain glTF JSON.

Requirements / 動作条件

(auto-detected; override with the VRMTOOLKITCHROME environment variable)

  • Node.js 20+
  • For vrmapreview / vrmsnapshot: a local Chrome or Edge
  • Input size budget: 512 MiB by default (VRMTOOLKITMAX_BYTES to override)

Setup / セットアップ

Register with Claude Code / Claude Codeへの登録:

claude mcp add vrm-toolkit -- npx -y vrm-toolkit-mcp

Other MCP hosts / その他のMCPホスト: command npx, args ["-y", "vrm-toolkit-mcp"] (stdio).

From source / ソースから:

npm install
npm run build
claude mcp add vrm-toolkit -- node /absolute/path/to/vrm-toolkit/dist/main.js

Execution examples / 実行例

Real outputs from the local test run (2026-08-05, file paths shortened). ローカルテスト実行(2026-08-05)の実出力です(パスは短縮表記)。

vrm_inspect

Input: a VRoid Studio-exported VRM 1.0 avatar (15.7 MB).

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Vrm Toolkit: common questions

Is Vrm Toolkit MCP server safe?
Yes, by our scan: it is graded A (85/100). Read the Vrm Toolkit safety report
How do I install Vrm Toolkit?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Vrm Toolkit need an API key?
No secret keys are declared. It reads 1 setting from the environment.
Is Vrm Toolkit maintained?
The last commit was 91 days ago (2026-08-05). The latest release is v0.1.1.
What can I use instead of Vrm Toolkit?
Servers from other publishers that do the same job: Serena MCP: the IDE for your agent MCP server, agent-device MCP server and Basic Memory MCP server.
How does Vrm Toolkit compare with other AI and agents MCP servers?
safety score 85/100 (higher than 73% of 4,460 AI and agents servers); tools 5 (the typical AI and agents server has 6); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.

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